/sci/ - Science & Math » Thread #11987861

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Anonymous Sat 08 Aug 21:15:42 2020 No.11987861 View Reply Original Report

Quoted By: >>11987870 >>11988596

What is spacetime? Is it a real tangible thing, is it physical?

Anonymous

Anonymous Sat 08 Aug 2020 21:20:21 No.11987870 Report

Quoted By: >>11987879

>>11987861
It’s an autistic sci-fi fan fiction based on the language of literal armchair doodlers

Anonymous

Anonymous Sat 08 Aug 2020 21:24:13 No.11987879 Report

Quoted By: >>11988309

>>11987870
What language do you mean?

Anonymous

Anonymous Sat 08 Aug 2020 21:39:49 No.11987923 Report

Quoted By: >>11987969 >>11988369

It is a mathematical model that works in many cases, in particular in astronomy, but fails for example at the quantum level. The main problem is that treating time as a distinguished dimension doesn't fully capture the true nature of time.

Anonymous

Anonymous Sat 08 Aug 2020 21:53:14 No.11987969 Report

Quoted By: >>11987977 >>11988369

>>11987923
So then what makes up empty space, as in devoid of even atoms?

Anonymous

Anonymous Sat 08 Aug 2020 21:55:30 No.11987977 Report

Quoted By:

>>11987969
Some kind of vacuum energy as quantum field theory showed us

Anonymous

Anonymous Sat 08 Aug 2020 23:19:04 No.11988309 Report

Quoted By: >>11988327

>>11987879
javascript

Anonymous

Anonymous Sat 08 Aug 2020 23:22:42 No.11988327 Report

Quoted By:

>>11988309
kek

Anonymous

Anonymous Sat 08 Aug 2020 23:23:34 No.11988333 Report

Quoted By: >>11988339

so apparently the universe is flat, but theoretically how would one get to the north star if its flat, its above the earth right.

Anonymous

Anonymous Sat 08 Aug 2020 23:24:26 No.11988339 Report

Quoted By:

>>11988333
The universe is not flat! You can see spaceships going over the horizon!

El Arcón

El Arcón Sat 08 Aug 2020 23:26:12 No.11988347 Report

Quoted By:

Spacetime is the union of every state of the universe that has ever existed or will will ever exist, as well the current state of the universe.

El Arcón

El Arcón Sat 08 Aug 2020 23:30:19 No.11988369 Report

Quoted By:

>>11987923
Spacetime 100% works in quantum theory. You're thinking about gravitation probably.

>>11987969
Spacetime is completely distinct from the notion of empty space. Emptiness is a statement about matter-energy, not spacetime. Spacetime is only related to matter-energy if one adopts Einstein's theory.

Anonymous

Anonymous Sun 09 Aug 2020 00:17:20 No.11988596 Report

Quoted By:

>>11987861
mass condenses out of it and waves travel through it and it has physical properties. I think it is a thing but just a really weird thing that we cant understand

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